toolchain: gcc: copy patches from 12.x to 13.x

This simplifies the gcc bump patch review.

Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Nick Hainke 2023-04-27 23:00:30 +02:00 committed by Christian Marangi
parent c6419d1946
commit 1e88a16248
No known key found for this signature in database
GPG Key ID: AC001D09ADBFEAD7
17 changed files with 605 additions and 0 deletions

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commit 81cc26c706b2bc8c8c1eb1a322e5c5157900836e
Author: Felix Fietkau <nbd@openwrt.org>
Date: Sun Oct 19 21:45:51 2014 +0000
gcc: do not assume that the Mac OS X filesystem is case insensitive
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 42973
--- a/include/filenames.h
+++ b/include/filenames.h
@@ -44,11 +44,6 @@ extern "C" {
# define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c)
# define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f)
#else /* not DOSish */
-# if defined(__APPLE__)
-# ifndef HAVE_CASE_INSENSITIVE_FILE_SYSTEM
-# define HAVE_CASE_INSENSITIVE_FILE_SYSTEM 1
-# endif
-# endif /* __APPLE__ */
# define HAS_DRIVE_SPEC(f) (0)
# define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c)
# define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f)

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@ -0,0 +1,35 @@
commit 098bd91f5eae625c7d2ee621e10930fc4434e5e2
Author: Luka Perkov <luka@openwrt.org>
Date: Tue Feb 26 16:16:33 2013 +0000
gcc: don't build documentation
This closes #13039.
Signed-off-by: Luka Perkov <luka@openwrt.org>
SVN-Revision: 35807
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -3366,18 +3366,10 @@ doc/gcc.info: $(TEXI_GCC_FILES)
doc/gccint.info: $(TEXI_GCCINT_FILES)
doc/cppinternals.info: $(TEXI_CPPINT_FILES)
-doc/%.info: %.texi
- if [ x$(BUILD_INFO) = xinfo ]; then \
- $(MAKEINFO) $(MAKEINFOFLAGS) -I . -I $(gcc_docdir) \
- -I $(gcc_docdir)/include -o $@ $<; \
- fi
+doc/%.info:
# Duplicate entry to handle renaming of gccinstall.info
-doc/gccinstall.info: $(TEXI_GCCINSTALL_FILES)
- if [ x$(BUILD_INFO) = xinfo ]; then \
- $(MAKEINFO) $(MAKEINFOFLAGS) -I $(gcc_docdir) \
- -I $(gcc_docdir)/include -o $@ $<; \
- fi
+doc/gccinstall.info:
doc/cpp.dvi: $(TEXI_CPP_FILES)
doc/gcc.dvi: $(TEXI_GCC_FILES)

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Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84790.
MIPS16 functions have a static assembler prologue which clobbers
registers v0 and v1. Add these register clobbers to function call
instructions.
--- a/gcc/config/mips/mips.cc
+++ b/gcc/config/mips/mips.cc
@@ -3134,6 +3134,12 @@ mips_emit_call_insn (rtx pattern, rtx or
emit_insn (gen_update_got_version ());
}
+ if (TARGET_MIPS16 && TARGET_USE_GOT)
+ {
+ clobber_reg (&CALL_INSN_FUNCTION_USAGE (insn), MIPS16_PIC_TEMP);
+ clobber_reg (&CALL_INSN_FUNCTION_USAGE (insn), MIPS_PROLOGUE_TEMP (word_mode));
+ }
+
if (TARGET_MIPS16
&& TARGET_EXPLICIT_RELOCS
&& TARGET_CALL_CLOBBERED_GP)

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@ -0,0 +1,13 @@
--- a/gcc/gcc.cc
+++ b/gcc/gcc.cc
@@ -985,7 +985,9 @@ proper position among the other output f
#endif
#ifndef LINK_SSP_SPEC
-#ifdef TARGET_LIBC_PROVIDES_SSP
+#if DEFAULT_LIBC == LIBC_MUSL
+#define LINK_SSP_SPEC "-lssp_nonshared"
+#elif defined(TARGET_LIBC_PROVIDES_SSP)
#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
"|fstack-protector-strong|fstack-protector-explicit:}"
#else

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commit ecf7671b769fe96f7b5134be442089f8bdba55d2
Author: Felix Fietkau <nbd@nbd.name>
Date: Thu Aug 4 20:29:45 2016 +0200
gcc: add a patch to generate better code with Os on mips
Also happens to reduce compressed code size a bit
Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/gcc/config/mips/mips.cc
+++ b/gcc/config/mips/mips.cc
@@ -20216,7 +20216,7 @@ mips_option_override (void)
flag_pcc_struct_return = 0;
/* Decide which rtx_costs structure to use. */
- if (optimize_size)
+ if (0 && optimize_size)
mips_cost = &mips_rtx_cost_optimize_size;
else
mips_cost = &mips_rtx_cost_data[mips_tune];

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commit 8570c4be394cff7282f332f97da2ff569a927ddb
Author: Imre Kaloz <kaloz@openwrt.org>
Date: Wed Feb 2 20:06:12 2011 +0000
fixup arm soft-float symbols
SVN-Revision: 25325
--- a/libgcc/config/arm/t-linux
+++ b/libgcc/config/arm/t-linux
@@ -1,6 +1,10 @@
LIB1ASMSRC = arm/lib1funcs.S
LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \
- _ctzsi2 _arm_addsubdf3 _arm_addsubsf3
+ _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \
+ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
+ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \
+ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \
+ _arm_fixsfsi _arm_fixunssfsi
# Just for these, we omit the frame pointer since it makes such a big
# difference.
--- a/gcc/config/arm/linux-elf.h
+++ b/gcc/config/arm/linux-elf.h
@@ -58,8 +58,6 @@
%{shared:-lc} \
%{!shared:%{profile:-lc_p}%{!profile:-lc}}"
-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc"
-
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
#define LINUX_TARGET_LINK_SPEC "%{h*} \

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commit c96312958c0621e72c9b32da5bc224ffe2161384
Author: Felix Fietkau <nbd@openwrt.org>
Date: Mon Oct 19 23:26:09 2009 +0000
gcc: create a proper libgcc_pic.a static library for relinking (4.3.3+ for now, backport will follow)
SVN-Revision: 18086
--- a/libgcc/Makefile.in
+++ b/libgcc/Makefile.in
@@ -930,11 +930,12 @@ $(libgcov-driver-objects): %$(objext): $
# Static libraries.
libgcc.a: $(libgcc-objects)
+libgcc_pic.a: $(libgcc-s-objects)
libgcov.a: $(libgcov-objects)
libunwind.a: $(libunwind-objects)
libgcc_eh.a: $(libgcc-eh-objects)
-libgcc.a libgcov.a libunwind.a libgcc_eh.a:
+libgcc.a libgcov.a libunwind.a libgcc_eh.a libgcc_pic.a:
-rm -f $@
objects="$(objects)"; \
@@ -958,7 +959,7 @@ all: libunwind.a
endif
ifeq ($(enable_shared),yes)
-all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
+all: libgcc_eh.a libgcc_pic.a libgcc_s$(SHLIB_EXT)
ifneq ($(LIBUNWIND),)
all: libunwind$(SHLIB_EXT)
libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
@@ -1164,6 +1165,10 @@ install-shared:
chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
+ $(INSTALL_DATA) libgcc_pic.a $(mapfile) $(DESTDIR)$(inst_libdir)/
+ chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_pic.a
+ $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_pic.a
+
$(subst @multilib_dir@,$(MULTIDIR),$(subst \
@shlib_base_name@,libgcc_s,$(subst \
@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))

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@ -0,0 +1,28 @@
commit 7edc8ca5456d9743dd0075eb3cc5b04f4f24c8cc
Author: Imre Kaloz <kaloz@openwrt.org>
Date: Wed Feb 2 19:34:36 2011 +0000
add armv4 fixup patches
SVN-Revision: 25322
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -91,10 +91,15 @@
#define MUSL_DYNAMIC_LINKER \
"/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}%{mfdpic:-fdpic}.so.1"
+/* For armv4 we pass --fix-v4bx to linker to support EABI */
+#undef TARGET_FIX_V4BX_SPEC
+#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*"\
+ "|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}"
+
/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
use the GNU/Linux version, not the generic BPABI version. */
#undef LINK_SPEC
-#define LINK_SPEC EABI_LINK_SPEC \
+#define LINK_SPEC EABI_LINK_SPEC TARGET_FIX_V4BX_SPEC \
LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \
LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC)

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@ -0,0 +1,54 @@
commit dcfc40358b5a3cae7320c17f8d1cebd5ad5540cd
Author: Felix Fietkau <nbd@openwrt.org>
Date: Sun Feb 12 20:25:47 2012 +0000
gcc 4.6: port over the missing patch 850-use_shared_libgcc.patch to prevent libgcc crap from leaking into every single binary
SVN-Revision: 30486
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -132,10 +132,6 @@
"%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \
LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
-/* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
- do not use -lfloat. */
-#undef LIBGCC_SPEC
-
/* Clear the instruction cache from `beg' to `end'. This is
implemented in lib1funcs.S, so ensure an error if this definition
is used. */
--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
@@ -71,6 +71,10 @@ see the files COPYING3 and COPYING.RUNTI
builtin_version ("CRuntime_Musl"); \
} while (0)
+#ifndef LIBGCC_SPEC
+#define LIBGCC_SPEC "%{static|static-libgcc:-lgcc}%{!static:%{!static-libgcc:-lgcc_s}}"
+#endif
+
/* Determine which dynamic linker to use depending on whether GLIBC or
uClibc or Bionic or musl is the default C library and whether
-muclibc or -mglibc or -mbionic or -mmusl has been passed to change
--- a/libgcc/mkmap-symver.awk
+++ b/libgcc/mkmap-symver.awk
@@ -136,5 +136,5 @@ function output(lib) {
else if (inherit[lib])
printf("} %s;\n", inherit[lib]);
else
- printf ("\n local:\n\t*;\n};\n");
+ printf ("\n\t*;\n};\n");
}
--- a/gcc/config/rs6000/linux.h
+++ b/gcc/config/rs6000/linux.h
@@ -67,6 +67,9 @@
#undef CPP_OS_DEFAULT_SPEC
#define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux)"
+#undef LIBGCC_SPEC
+#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
+
#undef LINK_SHLIB_SPEC
#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}} \
%{static-pie:-static -pie --no-dynamic-linker -z text}"

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@ -0,0 +1,22 @@
commit 64661de100da1ec1061ef3e5e400285dce115e6b
Author: Felix Fietkau <nbd@openwrt.org>
Date: Sun May 10 13:16:35 2015 +0000
gcc: add some size optimization patches
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 45664
--- a/libgcc/config/t-libunwind
+++ b/libgcc/config/t-libunwind
@@ -2,8 +2,7 @@
HOST_LIBGCC2_CFLAGS += -DUSE_GAS_SYMVER
-LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c \
- $(srcdir)/unwind-compat.c $(srcdir)/unwind-dw2-fde-compat.c
+LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
LIB2ADDEHSTATIC = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
# Override the default value from t-slibgcc-elf-ver and mention -lunwind

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@ -0,0 +1,11 @@
--- a/gcc/config/rs6000/rs6000-logue.cc
+++ b/gcc/config/rs6000/rs6000-logue.cc
@@ -348,7 +348,7 @@ rs6000_savres_strategy (rs6000_stack_t *
/* Define cutoff for using out-of-line functions to save registers. */
if (DEFAULT_ABI == ABI_V4 || TARGET_ELF)
{
- if (!optimize_size)
+ if (1)
{
strategy |= SAVE_INLINE_FPRS | REST_INLINE_FPRS;
strategy |= SAVE_INLINE_GPRS | REST_INLINE_GPRS;

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@ -0,0 +1,11 @@
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -152,7 +152,7 @@ call_ ## FUNC (void) \
#endif
#if !defined(USE_TM_CLONE_REGISTRY) && defined(OBJECT_FORMAT_ELF)
-# define USE_TM_CLONE_REGISTRY 1
+# define USE_TM_CLONE_REGISTRY 0
#elif !defined(USE_TM_CLONE_REGISTRY)
# define USE_TM_CLONE_REGISTRY 0
#endif

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@ -0,0 +1,9 @@
--- a/libgcc/config/mips/t-mips16
+++ b/libgcc/config/mips/t-mips16
@@ -43,3 +43,6 @@ SYNC_CFLAGS = -mno-mips16
# Version these symbols if building libgcc.so.
SHLIB_MAPFILES += $(srcdir)/config/mips/libgcc-mips16.ver
+
+CRTSTUFF_T_CFLAGS += -mno-mips16
+CRTSTUFF_T_CFLAGS_S += -mno-mips16

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@ -0,0 +1,146 @@
commit 99368862e44740ff4fd33760893f04e14f9dbdf1
Author: Felix Fietkau <nbd@openwrt.org>
Date: Tue Jul 31 00:52:27 2007 +0000
Port the mbsd_multi patch from freewrt, which adds -fhonour-copts. This will emit warnings in packages that don't use our target cflags properly
SVN-Revision: 8256
This patch brings over a feature from MirBSD:
* -fhonour-copts
If this option is not given, it's warned (depending
on environment variables). This is to catch errors
of misbuilt packages which override CFLAGS themselves.
This patch was authored by Thorsten Glaser <tg at mirbsd.de>
with copyright assignment to the FSF in effect.
--- a/gcc/c-family/c-opts.cc
+++ b/gcc/c-family/c-opts.cc
@@ -107,6 +107,9 @@ static dump_flags_t original_dump_flags;
/* Whether any standard preincluded header has been preincluded. */
static bool done_preinclude;
+/* Check if a port honours COPTS. */
+static int honour_copts = 0;
+
static void handle_OPT_d (const char *);
static void set_std_cxx98 (int);
static void set_std_cxx11 (int);
@@ -478,6 +481,12 @@ c_common_handle_option (size_t scode, co
flag_no_builtin = !value;
break;
+ case OPT_fhonour_copts:
+ if (c_language == clk_c) {
+ honour_copts++;
+ }
+ break;
+
case OPT_fconstant_string_class_:
constant_string_class_name = arg;
break;
@@ -1218,6 +1227,47 @@ c_common_init (void)
return false;
}
+ if (c_language == clk_c) {
+ char *ev = getenv ("GCC_HONOUR_COPTS");
+ int evv;
+ if (ev == NULL)
+ evv = -1;
+ else if ((*ev == '0') || (*ev == '\0'))
+ evv = 0;
+ else if (*ev == '1')
+ evv = 1;
+ else if (*ev == '2')
+ evv = 2;
+ else if (*ev == 's')
+ evv = -1;
+ else {
+ warning (0, "unknown GCC_HONOUR_COPTS value, assuming 1");
+ evv = 1; /* maybe depend this on something like MIRBSD_NATIVE? */
+ }
+ if (evv == 1) {
+ if (honour_copts == 0) {
+ error ("someone does not honour COPTS at all in lenient mode");
+ return false;
+ } else if (honour_copts != 1) {
+ warning (0, "someone does not honour COPTS correctly, passed %d times",
+ honour_copts);
+ }
+ } else if (evv == 2) {
+ if (honour_copts == 0) {
+ error ("someone does not honour COPTS at all in strict mode");
+ return false;
+ } else if (honour_copts != 1) {
+ error ("someone does not honour COPTS correctly, passed %d times",
+ honour_copts);
+ return false;
+ }
+ } else if (evv == 0) {
+ if (honour_copts != 1)
+ inform (UNKNOWN_LOCATION, "someone does not honour COPTS correctly, passed %d times",
+ honour_copts);
+ }
+ }
+
return true;
}
--- a/gcc/c-family/c.opt
+++ b/gcc/c-family/c.opt
@@ -1755,6 +1755,9 @@ C++ ObjC++ Optimization Alias(fexception
fhonor-std
C++ ObjC++ WarnRemoved
+fhonour-copts
+C ObjC C++ ObjC++ RejectNegative
+
fhosted
C ObjC
Assume normal C execution environment.
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -1770,6 +1770,9 @@ fharden-conditional-branches
Common Var(flag_harden_conditional_branches) Optimization
Harden conditional branches by checking reversed conditions.
+fhonour-copts
+Common RejectNegative
+
; Nonzero means ignore `#ident' directives. 0 means handle them.
; Generate position-independent code for executables if possible
; On SVR4 targets, it also controls whether or not to emit a
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -9596,6 +9596,17 @@ This option is only supported for C and
@option{-Wall} and by @option{-Wpedantic}, which can be disabled with
@option{-Wno-pointer-sign}.
+@item -fhonour-copts
+@opindex fhonour-copts
+If @env{GCC_HONOUR_COPTS} is set to 1, abort if this option is not
+given at least once, and warn if it is given more than once.
+If @env{GCC_HONOUR_COPTS} is set to 2, abort if this option is not
+given exactly once.
+If @env{GCC_HONOUR_COPTS} is set to 0 or unset, warn if this option
+is not given exactly once.
+The warning is quelled if @env{GCC_HONOUR_COPTS} is set to @samp{s}.
+This flag and environment variable only affect the C language.
+
@item -Wstack-protector
@opindex Wstack-protector
@opindex Wno-stack-protector
--- a/gcc/opts.cc
+++ b/gcc/opts.cc
@@ -2692,6 +2692,9 @@ common_handle_option (struct gcc_options
add_comma_separated_to_vector (&opts->x_flag_ignored_attributes, arg);
break;
+ case OPT_fhonour_copts:
+ break;
+
case OPT_Werror:
dc->warning_as_error_requested = value;
break;

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@ -0,0 +1,22 @@
Author: Jo-Philipp Wich <jow@openwrt.org>
Date: Sat Apr 21 03:02:39 2012 +0000
gcc: add patch to make the getenv() spec function nonfatal if requested environment variable is unset
SVN-Revision: 31390
--- a/gcc/gcc.cc
+++ b/gcc/gcc.cc
@@ -10213,8 +10213,10 @@ getenv_spec_function (int argc, const ch
}
if (!value)
- fatal_error (input_location,
- "environment variable %qs not defined", varname);
+ {
+ warning (input_location, "environment variable %qs not defined", varname);
+ value = "";
+ }
/* We have to escape every character of the environment variable so
they are not interpreted as active spec characters. A

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@ -0,0 +1,67 @@
From dda6b050cd74a352670787a294596a9c56c21327 Mon Sep 17 00:00:00 2001
From: Yousong Zhou <yszhou4tech@gmail.com>
Date: Fri, 4 May 2018 18:20:53 +0800
Subject: [PATCH] gotools: fix compilation when making cross compiler
libgo is "the runtime support library for the Go programming language.
This library is intended for use with the Go frontend."
gccgo will link target files with libgo.so which depends on libgcc_s.so.1, but
the linker will complain that it cannot find it. That's because shared libgcc
is not present in the install directory yet. libgo.so was made without problem
because gcc will emit -lgcc_s when compiled with -shared option. When gotools
were being made, it was supplied with -static-libgcc thus no link option was
provided. Check LIBGO in gcc/go/gcc-spec.c for how gccgo make a builtin spec
for linking with libgo.so
- GccgoCrossCompilation, https://github.com/golang/go/wiki/GccgoCrossCompilation
- Cross-building instructions, http://www.eglibc.org/archives/patches/msg00078.html
When 3-pass GCC compilation is used, shared libgcc runtime libraries will be
available after gcc pass2 completed and will meet the gotools link requirement
at gcc pass3
---
gotools/Makefile.am | 4 +++-
gotools/Makefile.in | 4 +++-
2 files changed, 6 insertions(+), 2 deletions(-)
--- a/gotools/Makefile.am
+++ b/gotools/Makefile.am
@@ -26,6 +26,7 @@ PWD_COMMAND = $${PWDCMD-pwd}
STAMP = echo timestamp >
libgodir = ../$(target_noncanonical)/libgo
+libgccdir = ../$(target_noncanonical)/libgcc
LIBGODEP = $(libgodir)/libgo.la
LIBGOTOOL = $(libgodir)/libgotool.a
@@ -41,7 +42,8 @@ GOCFLAGS = $(CFLAGS_FOR_TARGET)
GOCOMPILE = $(GOCOMPILER) $(GOCFLAGS)
AM_GOCFLAGS = -I $(libgodir)
-AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs
+AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs \
+ -L $(libgccdir) -L $(libgccdir)/.libs -lgcc_s
GOLINK = $(GOCOMPILER) $(GOCFLAGS) $(AM_GOCFLAGS) $(LDFLAGS) $(AM_LDFLAGS) -o $@
libgosrcdir = $(srcdir)/../libgo/go
--- a/gotools/Makefile.in
+++ b/gotools/Makefile.in
@@ -337,6 +337,7 @@ mkinstalldirs = $(SHELL) $(toplevel_srcd
PWD_COMMAND = $${PWDCMD-pwd}
STAMP = echo timestamp >
libgodir = ../$(target_noncanonical)/libgo
+libgccdir = ../$(target_noncanonical)/libgcc
LIBGODEP = $(libgodir)/libgo.la
LIBGOTOOL = $(libgodir)/libgotool.a
@NATIVE_FALSE@GOCOMPILER = $(GOC)
@@ -346,7 +347,8 @@ LIBGOTOOL = $(libgodir)/libgotool.a
GOCFLAGS = $(CFLAGS_FOR_TARGET)
GOCOMPILE = $(GOCOMPILER) $(GOCFLAGS)
AM_GOCFLAGS = -I $(libgodir)
-AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs
+AM_LDFLAGS = -L $(libgodir) -L $(libgodir)/.libs \
+ -L $(libgccdir) -L $(libgccdir)/.libs -lgcc_s
GOLINK = $(GOCOMPILER) $(GOCFLAGS) $(AM_GOCFLAGS) $(LDFLAGS) $(AM_LDFLAGS) -o $@
libgosrcdir = $(srcdir)/../libgo/go
cmdsrcdir = $(libgosrcdir)/cmd

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@ -0,0 +1,45 @@
commit 9c6e71079b46ad5433165feaa2001450f2017b56
Author: Przemysław Buczkowski <prem@prem.moe>
Date: Mon Aug 16 13:16:21 2021 +0100
GCC: Patch for Apple Silicon compatibility
This patch fixes a linker error occuring when compiling
the cross-compiler on macOS and ARM64 architecture.
Adapted from:
https://github.com/richfelker/musl-cross-make/issues/116#issuecomment-823612404
Change-Id: Ia3ee98a163bbb62689f42e2da83a5ef36beb0913
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/4329
Reviewed-by: John Scipione <jscipione@gmail.com>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -1290,7 +1290,7 @@ extern const char *aarch64_rewrite_mcpu
#define MCPU_TO_MARCH_SPEC_FUNCTIONS \
{ "rewrite_mcpu", aarch64_rewrite_mcpu },
-#if defined(__aarch64__)
+#if defined(__aarch64__) && ! defined(__APPLE__)
extern const char *host_detect_local_cpu (int argc, const char **argv);
#define HAVE_LOCAL_CPU_DETECT
# define EXTRA_SPEC_FUNCTIONS \
--- a/gcc/config/host-darwin.cc
+++ b/gcc/config/host-darwin.cc
@@ -23,6 +23,8 @@
#include "options.h"
#include "diagnostic-core.h"
#include "config/host-darwin.h"
+#include "hosthooks.h"
+#include "hosthooks-def.h"
#include <errno.h>
/* For Darwin (macOS only) platforms, without ASLR (PIE) enabled on the
@@ -181,3 +183,5 @@ darwin_gt_pch_use_address (void *&addr,
return 1;
}
+
+const struct host_hooks host_hooks = HOST_HOOKS_INITIALIZER;